package com.ruoyi.framework.security.service;

import javax.annotation.Resource;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.stereotype.Component;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.exception.CustomException;
import com.ruoyi.common.exception.user.CaptchaException;
import com.ruoyi.common.exception.user.CaptchaExpireException;
import com.ruoyi.common.exception.user.UserPasswordNotMatchException;
import com.ruoyi.common.utils.MessageUtils;
import com.ruoyi.framework.manager.AsyncManager;
import com.ruoyi.framework.manager.factory.AsyncFactory;
import com.ruoyi.framework.redis.RedisCache;
import com.ruoyi.framework.security.LoginUser;

/**
 * 登录校验方法
 *
 * @author ruoyi
 */
@Component
public class SysLoginService {
  @Autowired
  private TokenService tokenService;

  @Resource
  private AuthenticationManager authenticationManager;

  @Autowired
  private RedisCache redisCache;

  /**
   * 登录验证
   *
   * @param username 用户名
   * @param password 密码
   * @param code     验证码
   * @param uuid     唯一标识
   * @return 结果
   */
  public String login(String username, String password, String code, String uuid) {
    String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;
    String captcha = redisCache.getCacheObject(verifyKey);
    redisCache.deleteObject(verifyKey);
    if (captcha == null) {
      AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.expire")));
      throw new CaptchaExpireException();
    }
    if (!code.equalsIgnoreCase(captcha)) {
      AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.error")));
      throw new CaptchaException();
    }
    // 用户验证
    Authentication authentication = null;
    try {
      // 该方法会去调用UserDetailsServiceImpl.loadUserByUsername
      authentication = authenticationManager
          .authenticate(new UsernamePasswordAuthenticationToken(username, password));
    } catch (Exception e) {
      if (e instanceof BadCredentialsException) {
        AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
        throw new UserPasswordNotMatchException();
      } else {
        AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, e.getMessage()));
        throw new CustomException(e.getMessage());
      }
    }
    AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
    LoginUser loginUser = (LoginUser) authentication.getPrincipal();
    // 生成token
    return tokenService.createToken(loginUser);
  }


  /**
   * 登录验证
   *
   * @param username 用户名
   * @param password 密码
   * @param code     验证码
   * @param uuid     唯一标识
   * @return 结果
   */
  public String uniAppLogin(String username, String password, String code, String uuid) {

    // 用户验证
    Authentication authentication = null;
    try {
      // 该方法会去调用UserDetailsServiceImpl.loadUserByUsername
      authentication = authenticationManager
          .authenticate(new UsernamePasswordAuthenticationToken(username, password));
    } catch (Exception e) {
      if (e instanceof BadCredentialsException) {
        AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
        throw new UserPasswordNotMatchException();
      } else {
        AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, e.getMessage()));
        throw new CustomException(e.getMessage());
      }
    }
    AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
    LoginUser loginUser = (LoginUser) authentication.getPrincipal();
    // 生成token
    return tokenService.createToken(loginUser);
  }


}
